CVE-2000-0824

CVE-2000-0824 is a high-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.

Frequently asked questions

What is CVE-2000-0824?
The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.
How severe is CVE-2000-0824?
CVE-2000-0824 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0824 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0824?
CVE-2000-0824 affects Gnu Glibc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0824?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2000-0824 published?
CVE-2000-0824 was published on 2000-11-14 and last updated on 2026-06-16.

References

Affected products (1)

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